I have done some work to achieve this using Piccolo. I'll send it out in the next day or two.
-Tom On 1/16/06, Bernhard Kastner <[EMAIL PROTECTED]> wrote: > > Combe, Colin wrote: > > >>The only problem I think, that will occur is, that the area is only > >>changed on the screen, when re-rendering it. So I guess it's not even > >>POSSIBLE to do the pan-method I want, with LiteRenderer? That would > >>definitely be NOT good :( > >> > >> > > > >Not sure I follow this - rendering means drawing on screen, so, by > >definition, re-rendering is the only way to change whats on the screen? > > > > > > > Sorry, I wasn't exactly enough, with what I also include with rendering: > With the whole rendering, I also include getting the necessary data > outta the shapefile, doing the whole AffineTransform thing and so on. > Actually this shouldn't be nnecessary when just shifting the view, likes > done in uDig. > The whole thing should only be done, when the dragging has finished. > Of course, that means, that the view is shifted out of scope and the > view that is following is not rendered (which means, there would be > nothing to see, besides the features, that are rendered, because they > are reaching out of the old area of interest), but that would be enough > for me and a lot more high-performance than rendering everytime the view > is shifted just 1 pixel. That would be very slow and bot practicable to > really drag. And actually, I have no idea how to shift the view, while > not re-rendering but simply shift the already rendered things. > It would be like draging a screenshot around and everywhere, where the > screenshot is NOT, there would be simply blank space. > But well, I'm gonna play around with the AffineTransform thing, to do my > ZoomBox and the DragFunction and will try to render the whole thing when > moving it only one pixel. Let's see how fast that's gonna be. > > Thanks for reflecting my ideas, that really produced food for thoughts :) > > > ------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. Do you grep through log files > for problems? Stop! Download the new AJAX search engine that makes > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click > _______________________________________________ > Geotools-gt2-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_idv37&alloc_id865&op=click _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
